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w. GOUAN. FRONT AXLE DRIVE FOR DIHIGIBLE VEHCLES.

APPHCATION FILED DEU/M1917.

P3 melma ,my 29, 1919. d

A TTRNEY XVACLAW GGLJAN, OF CGSMGPGLIS, WASHN-GTOIT,

sentiments DRIVE DineinL-E VEHICLES.

Application filed December t, 1917.5

tou, have invented certain new and useful ilnorovements in ldiont- Emile VAUri ion Dirig'ible ll'ehlele-sn oi .vhii'h the following is a. specification. K

This invention relates to improvements in driving means For wheeled vehicles, particularly to types in which the iront 'Wheels are. dirigible. K

The principal object of the invention is to provide Ineens whereby the front wheels are permitted to turn within such limits are customary, power being supplied to the same through ahollow axle i'roin any convenient source carried by the vehicle.

Another object is to provide means Whereby the gears used in conveying power to the axle may `be kept in adjustment so as to be nnaiieeted by wear.

These and other like objects are attained oy the novel construction and eonihn'iation of parts hereinafter desorihed and shown in.

the aeeoinpanyiug dran/ine leuning a inaterial part of this ,speeinoatiolnA and in which:- y Figure l is an onit of the power shaft ea, with the device constructed neeordiiig' to the present invention. i

Fig. 2 is an enlarged fragmental view taken thi'ougjh the power transmitting1 'means and housing thereof, and

' Fig. 3 a fragments@ 'front olevatioiml. and sectional View showingthe Connection to the driving wheels.

Power is supplied to the driving shaft 14e from any convenient source, the same beingsupported and housed in a tubular eas- ,ing` l5, which is engaged with the transverse axle casing; 17 iby nleans of the enlarged sectional gear easing Wll'ihii'lie, casing being` secured by bolts 18 in an obvious manner.

Within the easing;F lo, and secured to the ,end of the shaft 14, is .u gear 20, the uniting gear 21. beingu held by the key 22, to a sleeve 241', yfitted to a threaded portion 2o, ol the front axle which is supported in bearings 29 formed in the casing 1T.

Specification of "Letters Patent.

ed liront elevation Patented July so, frisia Serial. N0. 265,315.

' Openings 30 are formed in the sleeve 24k, by means of which it can be turned and provided at the ends of the sleeve are locks 33, by menus of which the sleeve 24 may be adj usted longitudinally on the screw threaded portion of the axle and looked thereon in any desired. adjustment. f

Fori'ued with the ends'of the `casing 17 are forks engaged by hinged joints 36, with oppositely disposed forks 37, in which are bearings for the spindles 38 upon which the hub 40, of the front Wheels 42 are rigidly secured, the spindles 38 being in direct alinemont with the ends of the shaft 28t The ends of the shaft 28 are formed into forks 4.5-, in which are pivotall" engsged the opposite elements 'of the forli; 46, of the spindles 38, ley means of pins 48, pivotallv engaged in four armed yokes 50, the pivotal joints 36 being coincident with the axis of the yokes permit the Wheels to move to a considerable angle Without in any Way interfering with the transmission of power by the shaft 28 to the spindles 38. It will also be apparent that in order to effect adiustment l between the gears 20 and 21, openings are- .the front wheels of the vehicle .may be steered and at the same time caused to have a. propulsive effect. It Wilhbeiurther e-vident that the gearing from which power is imparted to the front axle may he maintained in `@lose propenrelation by theinovel form olf adjustingine'ans disclosed.

Having thus described my invention, what l daim as new and desire to secure by Letters Patent, is

In a frontk drive for vehicles, the combination with a casing and anaXle rotatably mounted therein, of a perforated sleeve, screw threaded on. said axle, a gear keyed to one end of said sleeve, lock nuts at the ends of said sleeve for allowing an adjustment of the same longitudinally -on the scegewthreaded part of the axle, said sleeve permitting a turning on said axle through `the engagement of its shaft transversel perfortions by a tool7 a y disposed to said axle, a

gear secured to the end of said shaft located Within said. easing, and meshing with said first named near.

and cans closing openings signal-,u re.

I0 In testimony whereof I have affixed my -WACLAW GoLJAN. 

